Cerebrospinal fluidinforms the autonomic centers in the brainstem and hypothalamus about the internal environment.protects the brainprotects the spinal cordprovides a pathway for waste to enter the blood

crossed extensor reflex

When the flexor muscles of one arm contract in a withdrawal reflex, the extensor muscles of the other arm contract. This phenomenon is called?

Up the spinal cord to the thalamus

the spinothalamic tract conducts impulses?

Rubrospinal

Which of the following are descending tracts in the spinal cord?

All listed

The spinal cord has 31 segments, a cervical and lumbar enlargement, a core of gray matter surrounded by white matter, two deep longitudinal grooves

Cerebellum

the part of the brain that coordinates voluntary muscular movements is the

Motor control of the muscles assoicated with speech is lost

If the area of the cerebral hemisphere corresponding to Broca's area is damaged

Anterior pituitary gland

Which of the following is not part of the diencephalon? Thalamus, Hypothalamus, Anterior pituitary gland, or posterior pituitary gland

unconsciousness or coma

If the reticular formation is injured, the person might exhibit signs of

dermatome

The area of skin supplied by sensory nerve fibers from a particular dorsal root is called a

primarily in the head

Special senses arise from receptors located

monitors oxygen levels in the blood

A type of receptor that does not trigger a sensation

sensory adaptation

The ability to ignore your socks around your ankles demonstrates

chemoreceptors

Stimulated by changes in concentration of chemical substances

pain receptors

stimulated by damage to tissue

thermoreceptors

stimulated by temperature changes

baroreceptors

stimulated by blood pressure changes

adapting very little, if at all

Pain receptors differ from other somatic recepters by

the Organ of Corti

The hearing receptors are most closely assiciated with the

Retina

Which of the following is part of the inner tunic of the eye

umami

The taste receptor that amino acid such as glutamate activate is

images in the eyes are different

Stereoscopic vision results when the

the direction of motion

Movement of hair cells in the semicircular canals signals

accumulation of aqueous humor

Glaucoma is usually caused by

astigmatism

The condition in which some parts of an image are in focus on the retina and other parts are